85237930 has 8 divisors (see below), whose sum is σ = 153428292. Its totient is φ = 34095168.

The previous prime is 85237921. The next prime is 85237961. The reversal of 85237930 is 3973258.

It can be written as a sum of positive squares in 2 ways, for example, as 85211361 + 26569 = 9231^2 + 163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85237930.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4261887 + ... + 4261906.

Almost surely, 2^85237930 is an apocalyptic number.

85237930 is a deficient number, since it is larger than the sum of its proper divisors (68190362).

85237930 is a wasteful number, since it uses less digits than its factorization.

85237930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523800.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 85237930 is about 9232.4390060265. The cubic root of 85237930 is about 440.0928350946.

The spelling of 85237930 in words is "eighty-five million, two hundred thirty-seven thousand, nine hundred thirty".